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全航太鋁挖空，用料一級棒, 讓小弟第一個聯想到 FURUTECH/Acoustic Revive RTP-6N 系列排插
http://blog.yam.com/hifihivi/article/19397080 :P
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很多機器都用那種模組化的插pin
看了真的心涼了一半
因為就自己買電源供應器的經驗
那些插pin的品質真的是很不勘
當然不能一概而論
但總覺得發燒的東西，不應該這麼做...
不知道各位前輩覺得如何？？
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???
Aeris兩個地方用上排線非常正常與合理
(1) 面板控制連接
(2) DC電源供電
至於類比輸出的部份，只是PCB板那邊的頭用上更為穩固而已，線與pin還是很High End的
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Introducing the Aeris DAC
Based upon an asynchronous buffer, voltage controlled crystal oscillators and a 24-bit D/A converter – under the precise control of a FPGA running proprietary algorithms – the Aeris DAC delivers bit perfect conversion and reduces total jitter to less than 10 picoseconds RMS from any input.
IsoSyncECS
使用非同步緩衝、電壓控制石英振盪產生器，與FPGA架構下24Bit D/A轉換，時基誤差低於10 picoseconds (任何形式的輸入)！
Isolated Synchronous Error Correction System. Based upon an asynchronous buffer, voltage controlled crystal oscillators, and a 24 bit D/A converter – all under the precise control of an FPGA (Field Programmable Gate Array) running proprietary algorithms.
隔離同步錯誤修正系統
Bit Perfect and Virtually Jitter Free
Bit perfect conversion with total jitter output noise of less than 10 picoseconds RMS from any input – USB, TOSLINK, and SPDIF.
Multi-Stage Isolated Power Supply
Main power supply is isolated inside an external machined aluminum chassis. Eleven precision high-speed regulators provide low impedance and low noise “point of load” DC current to all analogue and digital circuits.
多級的隔離電源供應
Isolated Audio and Digital Circuitry
Left and right channel audio output circuits, digital processing, and D/A conversion circuits are isolated within individual milled aluminum pockets resulting in exceptional EMI shielding, and thermal stabilization.
類比與數位線路隔離
Volume Control
Wide range level control of outputs permit direct connection to power amplifiers.
有音控可直入後級
Driver-Free Operation
The USB interface requires no additional drivers to install or maintain/update.
USB不需要額外的驅動程式
Cross-Platform
The USB interface is plug-n-play with all operating systems, including PC, Mac, or Linux.
Machined Aluminum Chassis
Precision-machined chassis milled from a solid block of aircraft grade 6061-T6 aluminum, provides exceptional thermal stability, RFI/EMI shielding, and resonance control.
航太等級的鋁機殼
6-Layer Circuit Boards
Multi-layer circuit boards provide extremely low impedance ground and power distribution for remarkably low digital noise contamination.
6層的線路架構
High-Precision Surface Mount Components
Extensive use of Lead (Pb)-free, low temperature coefficient, active and passive surface-mount components results in significantly smaller loop areas, reduced circuit capacitance and inductance, and introduces less noise than conventional leaded components.
Transformer Coupled Outputs
Transformer balanced XLR line outputs provide outstanding output common-mode noise rejection, eliminate potential ground loops, and ensure compatibility with other equipment.
Output Connectors
Rhodium / Teflon Cardas output connectors for both balanced and unbalanced outputs preserve maximum audio signal integrity. Remote Control Allows remote control of volume, mute, standby, and input selection.
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Inputs
USB 24/96
Toslink 24/192
SPDIF 24/192
Outputs
XLR 7 volts RMS max
RCA
Volume Control
Dual-stage attenuation (70 dB range, plus 20 dB overdrive)
Clocks (2X)
20 bit dynamic range Voltage Controlled Crystal Oscillators (VCXO)
44.14 kHz, 48 kHz (<1 picosecond RMS jitter)
D/A
24/352.8, differential output
Output Impedance
120 ohms
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Aeris的背景蠻黑的，可以說是黑的出色，定位質感各方面也表現相當有水準
中頻密度相對稍高一些，是讓人討喜的非常淡的甜味
高頻尚未Run透，目前延伸稍為含蓄
USB DAC的部份原廠為了便利性不用灌驅動程式，使用了較為普通的晶片，雖然已有Jeff Rowlrand的調音與加持
但明顯的聲音不如同軸的好聽，不過USB的聲音也已算上High End的水準了
當然更加分的地方有
1. 超優的完成度質感，包括整個航太鋁挖空的箱體、超精美Jeff Rowland典型的波浪加工技術與質感非常棒的Cardas端子
2. DC電源分離供電設計
3. Jeff Rowland的品牌地位
4. 相對合理的價格
Aeris有其很大的魅力....
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有趣的设计。
jeff rowland的思路总与linn有相似之处。
很想一问THOMAS HOLM, 为何会用ad1853这颗少见的芯(相对于一般都用的ad1955)?
